added test for get by reference to parameter holder
added test for get by reference to parameter holder

git-svn-id: 7038a89b398528086dab5106cc8d05243a854dbc@9142 ee427ae8-e902-0410-961c-c3ed070cd9f9

theodo/symfony1.1-backports,theodo/symfony1.1-backports,theodo/symfony1.1-backports